Lap desk



FIG. 1 is a perspective view of a lap desk showing my new design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a front view thereof, the back view being identical;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a side view thereof, the opposing side view being identical;

FIG. 7 is a cross-sectional view thereof taken along the line 7-7 in FIG. 3; and,

FIG. 8 is an enlarged end view of the end portion 8 of the cross-sectional view in FIG. 7.

The broken lines showing a person in FIG. 1 are for the purposes of illustrating the environment of the article only and form no part of the claimed design. 

The ornamental design for a lap desk, as shown and described. 